/**
  * Implements __construct().
  */
 public function __construct()
 {
     return parent::__construct('appear');
 }
 /**
  * Implements __construct().
  */
 public function __construct()
 {
     return parent::__construct('fade_in');
 }
 /**
  * Implements __construct().
  */
 public function __construct()
 {
     return parent::__construct('scale_fade');
 }